Distribución $\chi^2$ de Pearson

Abscisas $\chi_{n,\alpha}^2$ que deixan á súa dereita un área $\alpha$
nunha $\chi^2$ con $n$ graos de liberdade

$\displaystyle \int_{\chi_{n,\alpha}^2}^\infty c_n\, x^{n/2-1}e^{-x/2}\,dx=\alpha$

	0.001	0.005	0.010	0.025	0.030	0.040	0.050	0.100	0.150	0.200	0.250	0.300	0.350	0.400
1	10.827	7.8794	6.6349	5.0239	4.7093	4.2179	3.8415	2.7055	2.0723	1.6424	1.3233	1.0742	0.8735	0.7083
2	13.815	10.596	9.2103	7.3778	7.0131	6.4378	5.9915	4.6052	3.7942	3.2189	2.7726	2.4079	2.0996	1.8326
3	16.266	12.838	11.344	9.3484	8.9473	8.3112	7.8147	6.2514	5.3170	4.6416	4.1083	3.6649	3.2831	2.9462
4	18.466	14.860	13.276	11.143	10.711	10.025	9.4877	7.7794	6.7449	5.9886	5.3853	4.8784	4.4377	4.0446
5	20.515	16.749	15.086	12.832	12.374	11.644	11.070	9.2364	8.1152	7.2893	6.6257	6.0644	5.5731	5.1319
6	22.457	18.547	16.811	14.449	13.967	13.197	12.591	10.644	9.4461	8.5581	7.8408	7.2311	6.6948	6.2108
7	24.321	20.277	18.475	16.012	15.509	14.703	14.067	12.017	10.747	9.8032	9.0371	8.3834	7.8061	7.2832
8	26.124	21.955	20.090	17.534	17.010	16.170	15.507	13.361	12.027	11.030	10.218	9.5245	8.9094	8.3505
9	27.877	23.589	21.666	19.022	18.479	17.608	16.919	14.683	13.288	12.242	11.388	10.656	10.006	9.4136
10	29.588	25.188	23.209	20.483	19.921	19.020	18.307	15.987	14.533	13.442	12.548	11.780	11.097	10.473
11	31.264	26.756	24.725	21.920	21.341	20.412	19.675	17.275	15.767	14.631	13.700	12.898	12.183	11.529
12	32.909	28.299	26.217	23.336	22.741	21.785	21.026	18.549	16.989	15.812	14.845	14.011	13.266	12.583
13	34.528	29.819	27.688	24.735	24.124	23.142	22.362	19.811	18.202	16.984	15.983	15.118	14.345	13.635
14	36.123	31.319	29.141	26.118	25.493	24.485	23.684	21.064	19.406	18.150	17.116	16.222	15.420	14.685
15	37.697	32.801	30.577	27.488	26.847	25.816	24.995	22.307	20.603	19.310	18.245	17.321	16.494	15.733
16	39.252	34.267	31.999	28.845	28.190	27.135	26.296	23.541	21.793	20.465	19.368	18.417	17.564	16.779
17	40.790	35.718	33.408	30.191	29.522	28.445	27.587	24.769	22.977	21.614	20.488	19.511	18.633	17.824
18	42.312	37.156	34.805	31.526	30.844	29.745	28.869	25.989	24.155	22.759	21.604	20.601	19.699	18.867
19	43.820	38.582	36.190	32.852	32.157	31.036	30.143	27.203	25.328	23.900	22.717	21.689	20.763	19.910
20	45.314	39.996	37.566	34.169	33.462	32.320	31.410	28.412	26.497	25.037	23.827	22.774	21.826	20.951
21	46.797	41.401	38.932	35.478	34.759	33.597	32.670	29.615	27.662	26.171	24.934	23.857	22.887	21.991
22	48.267	42.795	40.289	36.780	36.049	34.867	33.924	30.813	28.822	27.301	26.039	24.939	23.947	23.030
23	49.728	44.181	41.638	38.075	37.332	36.131	35.172	32.006	29.979	28.428	27.141	26.018	25.005	24.068
24	51.178	45.558	42.979	39.364	38.609	37.389	36.415	33.196	31.132	29.553	28.241	27.096	26.062	25.106
25	52.619	46.927	44.314	40.646	39.880	38.641	37.652	34.381	32.282	30.675	29.338	28.171	27.118	26.143
26	54.052	48.289	45.641	41.923	41.146	39.889	38.885	35.563	33.429	31.794	30.434	29.246	28.173	27.178
27	55.476	49.644	46.962	43.194	42.406	41.131	40.113	36.741	34.573	32.911	31.528	30.319	29.226	28.214
28	56.892	50.993	48.278	44.460	43.662	42.369	41.337	37.915	35.715	34.026	32.620	31.390	30.279	29.248
29	58.301	52.335	49.587	45.722	44.913	43.603	42.557	39.087	36.853	35.139	33.710	32.461	31.330	30.282
30	59.703	53.672	50.892	46.979	46.159	44.833	43.773	40.256	37.990	36.250	34.799	33.530	32.381	31.315
31	61.098	55.002	52.191	48.231	47.402	46.059	44.985	41.421	39.124	37.359	35.887	34.598	33.431	32.348
32	62.487	56.328	53.485	49.480	48.641	47.281	46.194	42.584	40.256	38.466	36.973	35.664	34.480	33.380
33	63.870	57.648	54.775	50.725	49.875	48.500	47.399	43.745	41.386	39.571	38.057	36.730	35.528	34.412
34	65.247	58.963	56.060	51.966	51.107	49.715	48.602	44.903	42.514	40.675	39.140	37.795	36.576	35.443
35	66.618	60.274	57.342	53.203	52.335	50.928	49.801	46.058	43.639	41.778	40.222	38.859	37.623	36.474
40	73.402	66.766	63.690	59.341	58.427	56.945	55.758	51.805	49.243	47.268	45.616	44.164	42.847	41.622
60	99.607	91.951	88.379	83.297	82.225	80.482	79.081	74.397	71.341	68.972	66.981	65.226	63.627	62.134
80	124.83	116.32	112.32	106.62	105.42	103.45	101.87	96.578	93.105	90.405	88.130	86.119	84.284	82.566
90	137.20	128.29	124.11	118.13	116.86	114.80	113.14	107.56	103.90	101.05	98.649	96.523	94.580	92.761
100	149.44	140.16	135.80	129.56	128.23	126.07	124.34	118.49	114.65	111.66	109.14	106.90	104.86	102.94
120	173.61	163.64	158.95	152.21	150.78	148.44	146.56	140.23	136.06	132.80	130.05	127.61	125.38	123.28
140	197.45	186.84	181.84	174.64	173.11	170.62	168.61	161.82	157.35	153.85	150.89	148.26	145.86	143.60
	0.001	0.005	0.010	0.025	0.030	0.040	0.050	0.100	0.150	0.200	0.250	0.300	0.350	0.400